proc spi_engine_create {{name "spi_engine"} {data_width 32} {async_spi_clk 1} {num_cs 1} {num_sdi 1} {sdi_delay 0} {echo_sclk 0}} {

  create_bd_cell -type hier $name
  current_bd_instance /$name

  if {$async_spi_clk == 1} {
    create_bd_pin -dir I -type clk spi_clk
  }
  if {$echo_sclk == 1} {
    create_bd_pin -dir I -type clk echo_sclk
  }
  create_bd_pin -dir I -type clk clk
  create_bd_pin -dir I -type rst resetn
  create_bd_pin -dir I trigger
  create_bd_pin -dir O irq
  create_bd_intf_pin -mode Master -vlnv analog.com:interface:spi_master_rtl:1.0 m_spi
  create_bd_intf_pin -mode Master -vlnv xilinx.com:interface:axis_rtl:1.0 m_axis_sample

  ad_ip_instance spi_engine_execution execution
  ad_ip_parameter execution CONFIG.DATA_WIDTH $data_width
  ad_ip_parameter execution CONFIG.NUM_OF_CS $num_cs
  ad_ip_parameter execution CONFIG.NUM_OF_SDI $num_sdi
  ad_ip_parameter execution CONFIG.SDO_DEFAULT 1
  ad_ip_parameter execution CONFIG.SDI_DELAY $sdi_delay
  ad_ip_parameter execution CONFIG.ECHO_SCLK $echo_sclk

  ad_ip_instance axi_spi_engine axi_regmap
  ad_ip_parameter axi_regmap CONFIG.DATA_WIDTH $data_width
  ad_ip_parameter axi_regmap CONFIG.NUM_OFFLOAD 1
  ad_ip_parameter axi_regmap CONFIG.NUM_OF_SDI $num_sdi
  ad_ip_parameter axi_regmap CONFIG.ASYNC_SPI_CLK $async_spi_clk

  ad_ip_instance spi_engine_offload offload
  ad_ip_parameter offload CONFIG.DATA_WIDTH $data_width
  ad_ip_parameter offload CONFIG.ASYNC_SPI_CLK $async_spi_clk
  ad_ip_parameter offload CONFIG.NUM_OF_SDI $num_sdi

  ad_ip_instance spi_engine_interconnect interconnect
  ad_ip_parameter interconnect CONFIG.DATA_WIDTH $data_width
  ad_ip_parameter interconnect CONFIG.NUM_OF_SDI $num_sdi

  ad_connect axi_regmap/spi_engine_offload_ctrl0 offload/spi_engine_offload_ctrl
  ad_connect offload/spi_engine_ctrl interconnect/s0_ctrl
  ad_connect axi_regmap/spi_engine_ctrl interconnect/s1_ctrl
  ad_connect interconnect/m_ctrl execution/ctrl
  ad_connect offload/offload_sdi m_axis_sample
  ad_connect offload/trigger trigger

  ad_connect execution/spi m_spi

  ad_connect clk axi_regmap/s_axi_aclk

  if {$async_spi_clk == 1} {
    ad_connect spi_clk offload/spi_clk
    ad_connect spi_clk offload/ctrl_clk
    ad_connect spi_clk execution/clk
    ad_connect spi_clk axi_regmap/spi_clk
    ad_connect spi_clk interconnect/clk
  } else {
    ad_connect clk offload/spi_clk
    ad_connect clk offload/ctrl_clk
    ad_connect clk execution/clk
    ad_connect clk axi_regmap/spi_clk
    ad_connect clk interconnect/clk
  }

  if {$echo_sclk == 1} {
    ad_connect echo_sclk execution/echo_sclk
  }

  ad_connect axi_regmap/spi_resetn offload/spi_resetn
  ad_connect axi_regmap/spi_resetn execution/resetn
  ad_connect axi_regmap/spi_resetn interconnect/resetn

  ad_connect resetn axi_regmap/s_axi_aresetn
  ad_connect irq axi_regmap/irq

  current_bd_instance /
}